Harmar
Harmar Summit SL350OD Outdoor Straight Stairlift
Quoted after a free assessment — we schedule installation once the measurements and configuration are agreed. Shipping details
Returns: return restrictions apply. Details
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This system is measured, quoted and installed for your property, so it isn't sold online. Request a free assessment and we'll review your space, measurements and mobility needs, then quote the complete installed job.
Request a Free Assessmentor call (803) 926-1493
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Product Details
Harmar SL350OD Summit Outdoor Stair Lift
The Harmar SL350OD Summit Outdoor Stair Lift is designed to provide safe, dependable access to outdoor stairs while standing up to changing weather conditions. Built specifically for long-term outdoor use, the SL350OD combines a durable aluminum rail, marine-grade vinyl seating, weather protection, and easy-to-use controls in a reliable residential stair lift.
Designed to handle rain, wind, snow, and temperatures from 0°F to 125°F, the SL350OD is a great solution for exterior stairways leading to porches, decks, patios, garages, and home entrances.
Key Features
- Designed specifically for outdoor use
- Handles temperatures from 0°F to 125°F
- Durable extruded aluminum rail
- Weather-resistant marine-grade vinyl seat
- Includes a large weatherproof cover
- Additional header and internal chassis covers help protect critical components
- 350 lb weight capacity with track lengths up to 15'9"
- 250 lb weight capacity with track lengths from 15'10" to 25'
- Constant-pressure rocker control stops the stair lift when the control is released
- Call/send controls at both the top and bottom of the staircase
- Rail attaches directly to the stairs—not the wall
- Can be installed on either side of a straight staircase
- Seat and footrest fold when not in use
- Folds to only 14" from the wall
- Operates using standard 115V household power
- Cable-drive system
- 2-Year Parts Warranty
Built for Outdoor Stairways
Unlike a standard indoor stair lift, the Harmar Summit SL350OD is engineered to withstand outdoor conditions.
The aluminum track and marine-grade vinyl seating are designed for exposure to the elements, while the included header cover, internal chassis cover, and large weatherproof cover provide additional protection when the stair lift isn't being used.
This makes the SL350OD an excellent accessibility solution for straight outdoor staircases where a traditional indoor stair lift isn't appropriate.
Easy-to-Use Controls
The SL350OD uses a constant-pressure rocker control located in the armrest. Simply hold the control in the desired direction to travel up or down the staircase.
If the control is released, the lift stops immediately.
Separate call/send controls at the top and bottom of the stairs allow you to move the chair to either landing when needed.
Compact Folding Design
When you're not using the stair lift, the seat and footrest can be folded to help keep the staircase accessible for other family members and visitors.
When folded, the SL350OD extends approximately 14 inches from the wall, helping reduce the amount of staircase space occupied by the lift.
Safety Features
The Harmar SL350OD incorporates multiple safety features for everyday residential use:
- Seat belt
- Footrest obstruction switch
- Swivel seat cut-off switch
- Slack cable brake with switch
- Final limit switches
- Constant-pressure controls
The manufacturer identifies these safety systems as standard features of the SL350OD.
Weight Capacity & Track Length
The SL350OD's maximum weight capacity depends on the required track length:
Up to 15'9" of track: 350 lb weight capacity
15'10" to 25' of track: 250 lb weight capacity
This is important when determining whether the SL350OD is appropriate for your staircase and the person who will be using it.
Why Choose the Harmar SL350OD?
If your biggest mobility challenge is getting safely up and down an outdoor straight staircase, the SL350OD provides a purpose-built solution without requiring a major home renovation.
It mounts directly to the stair treads rather than the wall, can be installed on either side of the staircase, and folds when not in use. Most importantly, it is designed from the beginning to handle outdoor conditions rather than adapting an indoor stair lift for exterior use.
Professional Installation Recommended
Proper measurement and installation are extremely important with any stair lift. Staircase length, angle, landing space, electrical access, user weight, and mounting location should all be considered before ordering.
We can help determine whether the Harmar SL350OD Outdoor Stair Lift is the right solution for your home and help with installation options.
Need Help With a Harmar Outdoor Stair Lift?
Have questions about the Harmar SL350OD Summit Outdoor Stair Lift, pricing, measurements, or installation?
Specifications
| Specification | Harmar SL350OD |
|---|---|
| Weight Capacity | 350 lbs up to 15'9" track |
| Weight Capacity – Longer Track | 250 lbs from 15'10"–25' |
| Track Length | 16'–25' |
| Incline Range | 35°–45° |
| Seat Size | 17.5" x 14" |
| Footrest Size | 9.5" x 10" |
| Folded Width | 14" from wall |
| Speed | 20 FPM |
| Drive System | Cable Drive |
| Power | AC Powered |
| Outdoor Use | Yes |
| Warranty | 2-Year Parts Warranty |
| Optional Equipment | Key Lock, Extra Rail |
| Residential Use | Yes |
Specifications are provided by the manufacturer and may change without notice; product details and dimensions can vary slightly. If any detail differs from what’s shown here, we’ll contact you before your order ships.
Compatibility
Replacement parts and accessories
Need a battery, charger, seat or other part for your Harmar stair lift? Browse Harmar Parts or search by part number in the parts finder. Have your model and serial number ready if you are unsure of the fit.
Shipping & Returns
Shipping
Delivery for this system is quoted and scheduled after your free assessment; it does not ship as a parcel and is not part of the standard parcel promotion.
Estimated timing
Quoted after a free assessment — we schedule installation once the measurements and configuration are agreed.
Alaska, Hawaii and international orders: contact us for a quote. Full shipping & returns policy
Returns. Return restrictions apply to this type of product: installed or used equipment is generally non-returnable. If you’re unsure whether an item is eligible for return, please contact us before placing your order. Full return policy
Warranty
This product includes the manufacturer's limited warranty. Length and coverage vary by manufacturer and model. For the warranty terms on this specific product, contact us.
FAQ
Most products ship fully assembled or require minimal assembly. Some larger items (lift chairs, hospital beds) are delivered ready to use with White Glove delivery. Contact us if you have questions about a specific product.
Return eligibility depends on the product. Several categories — including lift chairs, power chairs (if used), mobility scooters (unless otherwise stated), patient lifts, replacement parts & batteries, and certain personal-care items — are generally non-returnable once shipped, and eligible returns may carry restocking and freight charges. Please call us before ordering and we'll make sure you get the right product the first time.
Yes! We've partnered with Bread Pay to offer flexible financing:
- 0% APR for 3, 6, 9, or 12 months
- Variable APR for 18 or 24 months on purchases of $2,500 or more
- Variable APR for 36 months on purchases of $5,000 or more
Check your rate with no impact to your credit score and get an instant decision at checkout — just look for the Bread Pay option.
Need a replacement part or service for your Harmar product? Call our US-based team with your model number and the part you need — we'll source it directly from the manufacturer. We also service what we sell: scooters, power chairs, lift chairs, and patient lifts.
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